the "B" suffix typically indicates a packaging or bulk revision

OEM replacement motor engineered for precision airflow and superior energy efficiency in residential HVAC systems

Common Questions Regarding 4J-1 Flanges What is the maximum torque capacity of the Size 4 J Flange

a different model within the A19 series would be required

5' wire harness with a Packard connector for simplified field installation

Lochinvar & A.O. Smith 100109957 Blower Assembly 323055-751 the "B" suffix typically indicatesThe Lochinvar & A. O. Smith 100109957 Blower Assembly is a factory authorized OEM component engineered for high recovery FPSH 75 water heater models. As a critical part of the combustion system, this forced draft blower ensures precise air to fuel ratios and consistent venting of flue gases. This assembly is the direct successor to multiple discontinued part numbers, including 9004581105, 194509 00, and 195841 000, allowing for seamless integration